1.

Comet C/2023 A3 (Tsuchinshan-ATLAS) passes perigee Comet C/2023 A3 (Tsuchinshan-ATLAS) makes its closest approach to the Earth. Sat, 12 Oct 2024 (Tomorrow) in Virgo

2.

Comet C/2024 S1 (ATLAS) passes perigee Comet C/2024 S1 (ATLAS) makes its closest approach to the Earth. Wed, 23 Oct 2024 (12 days away) in Corvus

3.

Comet C/2024 S1 (ATLAS) passes perihelion Comet C/2024 S1 (ATLAS) makes its closest approach to the Sun. Mon, 28 Oct 2024 (17 days away) in Virgo

4.

Comet 333P/LINEAR passes perihelion Comet 333P/LINEAR makes its closest approach to the Sun. Thu, 28 Nov 2024 (48 days away)

5.

Comet C/2024 G3 (ATLAS) passes perigee Comet C/2024 G3 (ATLAS) makes its closest approach to the Earth. Mon, 13 Jan 2025 (94 days away) in Sagittarius

6.

Comet C/2024 G3 (ATLAS) passes perihelion Comet C/2024 G3 (ATLAS) makes its closest approach to the Sun. Mon, 13 Jan 2025 (94 days away) in Sagittarius

7.

Comet 21P/Giacobini-Zinner passes perihelion Comet 21P/Giacobini-Zinner makes its closest approach to the Sun. Mon, 24 Mar 2025 (164 days away) in Pisces

8.

Comet 210P/Christensen passes perihelion Comet 210P/Christensen makes its closest approach to the Sun. Sat, 22 Nov 2025 (407 days away) in Libra

9.

Comet 240P/NEAT passes perihelion Comet 240P/NEAT makes its closest approach to the Sun. Sat, 20 Dec 2025 (435 days away) in Aries

10.

Comet 24P/Schaumasse passes perigee Comet 24P/Schaumasse makes its closest approach to the Earth. Mon, 05 Jan 2026 (451 days away) in Virgo

11.

Comet 24P/Schaumasse reaches peak brightness Comet 24P/Schaumasse is forecast to reach the brightest point in its 2026 apparition. Wed, 07 Jan 2026 (453 days away) in Virgo

12.

Comet 24P/Schaumasse passes perihelion Comet 24P/Schaumasse makes its closest approach to the Sun. Fri, 09 Jan 2026 (455 days away) in Virgo

13.

Comet 88P/Howell passes perihelion Comet 88P/Howell makes its closest approach to the Sun. Wed, 18 Mar 2026 (523 days away) in Capricornus

14.

Comet 141P/Machholz passes perihelion Comet 141P/Machholz makes its closest approach to the Sun. Wed, 22 Apr 2026 (558 days away) in Aries

15.

Comet 78P/Gehrels passes perihelion Comet 78P/Gehrels makes its closest approach to the Sun. Wed, 24 Jun 2026 (621 days away) in Taurus

16.

Comet 10P/Tempel passes perihelion Comet 10P/Tempel makes its closest approach to the Sun. Sat, 01 Aug 2026 (659 days away) in Capricornus

17.

Comet 10P/Tempel reaches peak brightness Comet 10P/Tempel is forecast to reach the brightest point in its 2026 apparition. Mon, 03 Aug 2026 (661 days away)

18.

Comet 10P/Tempel passes perigee Comet 10P/Tempel makes its closest approach to the Earth. Mon, 03 Aug 2026 (661 days away)

19.

Comet 69P/Taylor passes perihelion Comet 69P/Taylor makes its closest approach to the Sun. Thu, 12 Nov 2026 (762 days away) in Gemini

20.

Comet 161P/Hartley-IRAS passes perihelion Comet 161P/Hartley-IRAS makes its closest approach to the Sun. Sat, 28 Nov 2026 (778 days away) in Sagitta